remove some warnings in tests (#1753)

src/multi/tests.rs

@@ -4,7 +4,6 @@ use crate::{
   character::streaming::digit1 as digit,
   error::{ErrorKind, ParseError},
   internal::{Err, IResult, Needed},
-  lib::std::ops::Range,
   lib::std::str::{self, FromStr},
   number::streaming::{be_u16, be_u8},
   sequence::pair,
@@ -573,7 +572,7 @@ fn many_test() {
   );
 
   fn many_invalid(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> {
-    many(Range::default(), tag("a")).parse(i)
+    many(crate::lib::std::ops::Range::default(), tag("a")).parse(i)
   }
 
   let a = &b"a"[..];
@@ -728,7 +727,13 @@ fn fold_test() {
   );
 
   fn fold_invalid(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> {
-    fold(Range::default(), tag("a"), Vec::new, fold_into_vec).parse(i)
+    fold(
+      crate::lib::std::ops::Range::default(),
+      tag("a"),
+      Vec::new,
+      fold_into_vec,
+    )
+    .parse(i)
   }
 
   let a = &b"a"[..];

src/number/mod.rs

@@ -1410,12 +1410,12 @@ where
 }
 
 #[cfg(test)]
+#[cfg(feature = "std")]
 mod tests {
   use super::*;
   use crate::error::ErrorKind;
   use crate::internal::Err;
 
-  #[cfg(feature = "std")]
   macro_rules! assert_parse(
     ($left: expr, $right: expr) => {
       let res: $crate::IResult<_, _, (_, ErrorKind)> = $left;
@@ -1424,7 +1424,6 @@ mod tests {
   );
 
   #[test]
-  #[cfg(feature = "std")]
   fn float_test() {
     let mut test_cases = vec![
       "+3.14",

src/sequence/tests.rs

@@ -20,18 +20,6 @@ fn single_element_tuples() {
   );
 }
 
-#[derive(PartialEq, Eq, Debug)]
-struct B {
-  a: u8,
-  b: u8,
-}
-
-#[derive(PartialEq, Eq, Debug)]
-struct C {
-  a: u8,
-  b: Option<u8>,
-}
-
 /*FIXME: convert code examples to new error management
 use util::{add_error_pattern, error_to_list, print_error};